the fatimid era(358-567 ah /968-1171ad) was one of the most brilliant historical periods due to its intellectual and cultural achievements and successes. influencing an area beyond its boundaries. due to their attempts, cairo turned into one of the artistic, cultural, and scientific islamic centers and it became the focus of research and science. during this period, there were numerous debates ...

Arwˆ bint Aúmad (d. 532/1137) ruled in Yemen for Ž fty-Ž ve years. She played an important political role and at the same time occupied the highest rank in the Ismˆ’“l“ religious hierarchy after that of the imam. Her religious policies, particularly her special relations with the Fatimids, led to the transfer of the Fatimid literary legacy to Yemen, and hence to its preservation following the f...

there is disagreement about the antiquity of glassmaking industry in shām. some trace it back to the post-islamic era and regard it as being inspired by the roman artisans who had been employed for constructing buildings in the umayyad reign. others, however, believe that this industry is traced back to centuries before islam entered shām and was restored and developed by the support of the cal...

the phenomenon of conversion to islam in the territories conquered by the muslim arabs, is one of the ambiguous and controversial topics in the studies of islamic history. major part of the social transformation of copts in islamic egypt returns to their conversion from christianity to islam. gradual changing of the majority to a minority group under muslim rule was a complex process, because m...

in the 2nd half of the 6th century a.h., when the isma'ili caliphate in egypt was in the worst political situation, a series of political sunni figures managed to reach the important position of vizara some times. they, who were sympathetic towards the sunni caliphate of abbasids in baghdad and eventually made the fatimid caliphate to fall, during their vizara for fatimid dynasty, had to h...

While process technologists are obsessed to follow Moore’s curve down to nanoscale dimensions, design technologists are confronted with gigascale complexity. On the other hand, post-PC and post dotcom products require zero cost, zero energy yet software programmable novel system architectures to be sold in huge volumes and to be designed in exponentially decreasing time. How do we cope with the...